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scoundrel [369]
3 years ago
5

Find the value of x and y.

Mathematics
2 answers:
Lerok [7]3 years ago
8 0

nswer

13  

[y1 - y2] / [x1 - x2

8 + 5x = 9 - 4y

Yanka [14]3 years ago
6 0

Answer:

x = 13 \sqrt{3}  \\

y = 13

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214 people used a public swimming pool. $1.50 for kids and $2.25 for adults. The receipt totaled to $390 How many children and h
zysi [14]

Answer:the number of kids that used the public pool that day is 122

the number of adults that used the public pool that day is 92

Step-by-step explanation:

Let x represent the number of kids that used the public pool that day.

Let y represent the number of adults that used the public pool that day.

214 people used a public swimming pool. This means that

x + y = 214

1.50 for kids and $2.25 for adults. The receipt totaled to $390. This means that

1.5x + 2.25y = 390 - - - - - - - - - -1

Substituting x = 214 - y into equation 1, it becomes

1.5x

1.5(214 - y) + 2.25y = 390

321 - 1.5y + 2.25y = 390

- 1.5y + 2.25y = 390 - 321

0.75y = 69

y = 69/0.75 = 92

Substituting y = 92 into x = 214 - y, it becomes

x = 214 - 92 = 122

5 0
3 years ago
Victoria ran 3/4 mile on Tuesday. She ran 2.2 times further on Saturday. How many miles did she run on Saturday
klemol [59]

Answer:

The answer is 1.65 miles.

Step-by-step explanation:

To get this answer you need to convert 3/4 to a decimal, 0.75. Then multiply 0.75 by 2.2 to get 1.65.

6 0
2 years ago
On a school trip, a class travels 5.16 kilometers by train and 7 kilometers by bus. How far did the class travel?
professor190 [17]
Hi, my fellow late night studier!

So basically I’m pretending like most of the word problem isn’t there, because word problems tend to want to confuse you with extra information.
I’m just looking at the numbers here.
Let’s take 5.16 and 7 because that’s what we’re working with and we need answers.

Do the math... 5.16+7=12.16

There we have it. The school class traveled a total of 12.16 kilometers on the trip.

I’m so happy to help you and if you have more questions, post them in chat!
Have a great night.
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8 0
3 years ago
How do I change from log to exponential form? Steps please! I know the answer is 1/2 I just don’t know how to work it out.
Basile [38]
Idk but go to  my profile so i can answer it
4 0
3 years ago
Elliot is taking a four question multiple choice test. Each question has four possible answers. He is going to completely guess
Arturiano [62]
Answer: D. 20

Elliot is taking an exam with 4 questions and each question has 4 possible answers. If he answer it correctly, he will get 5 points for each correct answer.
If we assume that he gets all of the 4 questions correct,

4 * 5
=20 points
5 0
3 years ago
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